400563774552 has 64 divisors (see below), whose sum is σ = 1012847522400. Its totient is φ = 131996733440.

The previous prime is 400563774493. The next prime is 400563774577. The reversal of 400563774552 is 255477365004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14427628 + ... + 14455364.

Almost surely, 2^400563774552 is an apocalyptic number.

It is an amenable number.

400563774552 is an abundant number, since it is smaller than the sum of its proper divisors (612283747848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400563774552 is a wasteful number, since it uses less digits than its factorization.

400563774552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34596 (or 34592 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 400563774552 in words is "four hundred billion, five hundred sixty-three million, seven hundred seventy-four thousand, five hundred fifty-two".